IBM's Integrated Web Services by Scott Klement

Did you know that, as of a recent PTF level on V5R4 (or later), i5/OS comes with a built-in web services server? This tool is specifically designed to let you easily export your RPG or Cobol routines as web services. This new support does require that Java be installed on your machine, but it doesn't require WebSphere Application Server (WAS). The services are made available through the Apache HTTP server. And it costs you nothing. It's built in to i5/OS!

http://systeminetwork.com/article/ibms-integrated-web-services
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